28379477

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 8023723

約数列:

[1, 7, 17, 31, 49, 119, 157, 217, 343, 527, 833, 1099, 1519, 2669, 3689, 4867, 5831, 7693, 10633, 18683, 25823, 34069, 53851, 82739, 130781, 180761, 238483, 579173, 915467, 1669381, 4054211, 28379477]

約数ペア:

[(1, 28379477), (7, 4054211), (17, 1669381), (31, 915467), (49, 579173), (119, 238483), (157, 180761), (217, 130781), (343, 82739), (527, 53851), (833, 34069), (1099, 25823), (1519, 18683), (2669, 10633), (3689, 7693), (4867, 5831)]